define polysomy.
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- Freebase(0.00 / 0 votes)Rate this definition: Polysomy. Polysomy is a condition in which an otherwise diploid organism has at least one more chromosome than normal, i.e. the number of a particular chromosome is not diploid - there may be three or more copies of the chromosome rather than the expected two copies.
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- Log into your Facebook account. Click the account button on the upper right hand side of the screen. A drop down menu will appear. Click Privacy settings from the drop down menu. Click the view settings hyperlink in the Connecting on Facebook title. It is the first title on this page.
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Family Polygamy (from Late Greek πολυγαμία, polygamía, state of marriage to many spouses) involves marriage with more than one spouse. When a man is married to more than one wife at a time, it is called polygyny. When a woman is married to more than one husband at a time, it is called polyandry. If a marriage includes multiple husbands and wives, it can be called a group marriage. In contrast, monogamy is marriage consisting of only two parties.
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- Home » Polygenic inheritance. Definition. noun. A non-Mendelian form of inheritance in which a particular trait is produced by the interaction of many genes. Supplement.
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- Polyhydramnios (pol-e-hi-DRAM-nee-os) is the excessive accumulation of amniotic fluid — the fluid that surrounds the baby in the uterus during pregnancy. Polyhydramnios occurs in about 1 to 2 percent of pregnancies.
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Down syndrome The term trisomy refers to the presence of three representative chromosomes in a cell instead of the usual pair. In Down syndrome the twenty-first chromosome pair fails to separate when the germ cell (usually the ovum) is being formed.he majority of cases of Down syndrome occur due to an extra chromosome 21 within the egg cell supplied by the mother (nondisjunction). As a woman's age (maternal age) increases, the risk of having a Down syndrome baby increases significantly. For example, at younger ages, the risk is about one in 4,000.
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Overview Polymyositis (pol-e-my-o-SY-tis) is an uncommon inflammatory disease that causes muscle weakness affecting both sides of your body. Having this condition can make it difficult to climb stairs, rise from a seated position, lift objects or reach overhead.
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Overview Polysomnography, also called a sleep study, is a test used to diagnose sleep disorders. Polysomnography records your brain waves, the oxygen level in your blood, heart rate and breathing, as well as eye and leg movements during the study. Polysomnography usually is done at a sleep disorders unit within a hospital or at a sleep center. You'll be asked to come to the sleep center in the evening for polysomnography so that the test can record your nighttime sleep patterns.
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aneuploidy aneuploidy. the state of having chromosomes in a number that is not an exact multiple of the haploid number; seen in karyotypes which have a small number of extra chromosomes or have a small number less than normal.
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Alone we are rare. Together we are strong.â¥ Donate Today Comparisons may be useful for a differential diagnosis: Mosaic trisomy 9, also known as trisomy 9 mosaicism syndrome, is a rare chromosomal disorder in which there are three copies (trisomy) of chromosome number 9 rather than twice in some cells of the body.
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- Monosomy is the state of having a single copy of a chromosome pair instead of the usual two copies found in diploid cells. Monosomy can be partial if a portion of the second chromosome copy is present. Monosomy, or partial monosomy, is the cause of some human diseases such as Turner syndrome and Cri du Chat syndrome.onosomy is the state of having a single copy of a chromosome pair instead of the usual two copies found in diploid cells. Monosomy can be partial if a portion of the second chromosome copy is present. Monosomy, or partial monosomy, is the cause of some human diseases such as Turner syndrome and Cri du Chat syndrome.
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- Testing routinely performed includes: Polysomnogram (PSG) - Polysomnography is a diagnostic test used mainly to uncover obstructive sleep apnea (OSA), periodic limb movement disorder (PLMD), or parasomnias.
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- Polyploidy: Polyploidy,, the condition in which a normally diploid cell or organism acquires one or more additional sets of chromosomes. In other words, the polyploid cell or organism has three or more times the haploid chromosome number. Polyploidy arises as the result of total nondisjunction of chromosomes during mitosis or meiosis. Polyploidy is common among plants and has been, in fact, a major source of speciation in the angiosperms.
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- Top definition. Polygamy. A legalized form of male adultery permissible in some cultures or religions; however, these lucky men can't afford this many-wives lifestyle, other than a few dictators in oil-rich nations.
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- More common. 1  Burning, numbness, tingling, or pain in the arms, hands, legs, or feet. 2  swelling of the stomach, face, fingers, hands, feet, or lower legs. 3  unusual tiredness or weakness. 4  weight gain.
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Trisomy 13 Trisomy 13, also called Patau syndrome, is a chromosomal condition associated with severe intellectual disability and physical abnormalities in many parts of the body.
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Down syndrome Down syndrome, also called Down’s syndrome, trisomy 21, or (formerly) mongolism, congenital disorder caused by an extra chromosome on the chromosome 21 pair, giving the person a total of 47 chromosomes rather than the normal 46.
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polygamy polygamy (plural polygamies) 1  The having of multiple socially bonded sexual partners at the same time Originally polygamy could work either or both ways, but civilisation generally forbids simultaneous husbands. 2  The condition of having more than one spouse or marriage partner at one time.
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- A - the form of aneuploidy in which there are 3 chromosomes instead of just 2 for a specific homologous pair. An example is the common form of Down syndrome in which there are 3 chromosome 21's. Most fetuses with autosomal trisomies die before birth.
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monosomy monosomy 9p− syndrome a rare chromosomal disorder in which a piece of the short arm of the ninth chromosome is broken and often lost.Symptoms include mental retardation, a triangular head with forward angulation of the frontal bone, and various other physical deformities.ee also aneuploidy. monosomic, adj. (1) A type of aneuploidy, defined by the formula 2n – 1, where n is the haploid number. (E.g., Turner syndrome or monosomy X.). (2) The state of having a single chromosome of a particular type; lacking a homologous chromosome (e.g., normal males are monosomic for the X chromosome).
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Search for suffixes >> -ploidy [for derivation see -ploid] Condition of having the number of sets of chromosomes indicated by the prefix (tetraploid, hexaploid, allopolyploid, autopolyploid). -pnea (British: -pnoea) /(pə)-NEE-ə/ [Greek pneo to breathe] Breath, breathing .
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- Noun. 1. aneuploidy-an abnormality involving a chromosome number that is not an exact multiple of the haploid number (one chromosome set is incomplete). abnormalcy, abnormality-an abnormal physical condition resulting from defective genes or developmental deficiencies.1  Facebook.n·eu·ploid. adj. Having a chromosome number that is not a multiple of the haploid number for the species. n. A cell or an organism characterized by an aneuploid chromosome number.
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polyuria polyuria (pol´ēyoor´ēə), n the passage of an abnormally increased volume of urine. It may result from increased intake of fluids, inadequate renal function, uncontrolled diabetes mellitus or diabetes insipidus, diuresis of edema fluid, or ascites. the formation and excretion of a large volume of urine.
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Aneuploidy Aneuploidy is the presence of an abnormal number of chromosomes in a cell, such as having 45 or 47 chromosomes when 46 is expected.It does not include a difference of one or more complete sets of chromosomes, which is called euploidy.part from sex chromosome disorders, most cases of aneuploidy result in death of the developing fetus (miscarriage); the most common extra autosomal chromosomes among live births are 21, 18 and 13.
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Polyploidy See Article History. Polyploidy, the condition in which a normally diploid cell or organism acquires one or more additional sets of chromosomes. In other words, the polyploid cell or organism has three or more times the haploid chromosome number. Polyploidy arises as the result of total nondisjunction of chromosomes during mitosis or meiosis. Polyploidy is common among plants and has been, in fact, a major source of speciation in the angiosperms.
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Polysomnography (Sleep Study) Polysomnography is a type of sleep study, which seeks to monitor a patient during their sleep or while they attempt to sleep. There are two different forms of sleep, the rapid eye movement or REM state and the non-rapid eye movement or NREM state.